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TLS Online TPP Program

#Question id: 3623

To carry out a complementation test, which of the following statement is correct?

#Section 3: Genetics, Cellular and Molecular Biology

  1. If the mutations are allelic then the heterozygous offspring have only mutant alleles and exhibit wild phenotype:

  2. The mutations occur at different loci, the heterozygous offspring inherit a mutant and a wild-type allele each locus

  3. If the mutations are allelic then the heterozygous offspring have only wild type alleles and exhibit a wild phenotype

  4. The mutations occur at different loci, the heterozygous offspring inherit a mutant allele only

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TLS Online TPP Program

#Question id: 386

#Section 4: Fundamentals of Biological Engineering

Which of the following properties of water does not contribute to the fitness of the aqueous environment for living organisms?
TLS Online TPP Program

#Question id: 387

#Section 4: Fundamentals of Biological Engineering

For a weak acid with a pKa of 6.0, What would be the ratio of acid to salt at pH 5.
TLS Online TPP Program

#Question id: 388

#Section 4: Fundamentals of Biological Engineering

Calculate the pH of a solution prepared by mixing 2.0 mL of a strong acid solution of pH=3.0 and 3.0 mL of a strong base of pH=10.0.
TLS Online TPP Program

#Question id: 389

#Section 4: Fundamentals of Biological Engineering

A weak acid HA has a pKa of 5.0.  If 1.0 mol of this acid and 0.1 mol of NaOH were dissolved in one liter of water, what would the final pH be?
TLS Online TPP Program

#Question id: 390

#Section 4: Fundamentals of Biological Engineering

What are the properties arising due to varying concentrations of solute in a given solvent, irrespective of the nature of solute with respect to the solvent?
TLS Online TPP Program

#Question id: 391

#Section 4: Fundamentals of Biological Engineering

In a hospital laboratory, a 10.0 mL sample of gastric juice, obtained several hours after a meal, was titrated with 0.1 M NaOH to neutrality; 7.2 mL of NaOH was required. The patient’s stomach contained no ingested food or drink, thus assume that no buffers were present. What was the pH of the gastric juice?